89913740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{642241}}^1$

素因数の和:642257

約数の個数: 24

約数和(自身を含む): 215793312

約数和(自身を除く): 125879572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 642241, 1284482, 2568964, 3211205, 4495687, 6422410, 8991374, 12844820, 17982748, 22478435, 44956870, 89913740]

約数ペア:

[(1, 89913740), (2, 44956870), (4, 22478435), (5, 17982748), (7, 12844820), (10, 8991374), (14, 6422410), (20, 4495687), (28, 3211205), (35, 2568964), (70, 1284482), (140, 642241)]